I've also been experiencing this exact issue on xubuntu 13.04. I hadn't
ever seen it until 13.04.
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Title:
saucy has frequent image corruption (in
** Changed in: xserver-xorg-video-intel
Status: Confirmed => Fix Released
** Bug watch added: freedesktop.org Bugzilla #66163
https://bugs.freedesktop.org/show_bug.cgi?id=66163
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kernel commit 22fd5ca947b58901927d100d2b1aa0f1672b3435
Author: Chris Wilson
Date: Fri Jun 28 16:54:08 2013 +0100
drm/i915: Only clear write-domains after a successful wait-seqno
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged => Fix Committed
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Sebastien, once 2.21.10 hits saucy, can you please let me know how we
are faring here? And please include the latest steps to trigger the bug.
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Tit
ok, new update ... sorry my testing the other day was incorrect, I had
the FORCE_FULL_SYNC define set from a previous testing. Using git master
from intel I still see a frequent corruption on e.g the new tab screen
:-(
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** Tags added: corruption
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Title:
saucy has frequent image corruption (intel, sna)
To manage notifications about this bug go to:
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Launchpad has imported 70 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=61628.
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sorry, ignore the previous comment, I was running with "#define
FORCE_FULL_SYNC 1", that seems a different issue
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Title:
saucy has frequent image
hum, it worked great for the whole day today, until now when I ran into
that
** Attachment added: "corrupted image screenshot"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1189850/+attachment/3701579/+files/corrupted.png
** Changed in: xserver-xorg-video-intel (Ubun
@Chris: I will take a screenshot if that happen again
I'm running an update with http://cgit.freedesktop.org/xorg/driver/xf86
-video-intel/commit/?id=15b92c98755c709f41e59baeb206e5a3e56e3178 and
didn't see the issue yet, seems good so far, thanks for the work on
fixing that bug ;-)
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The newtab looks like this bug, and image swapping is the same (the
timing was just right to get a recognisable image of the same size).
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Title:
I'm also getting this bug from time to time (it's gotten better with this #9
update though).
Screenshot is attached.
Before I even got this "jittery"-graphics-bug on websites, not only
about:newtab. However until now i didn't get this behavior again.
Is my screenshot showing a result of this bug
** Attachment added: "Bildschirmfoto vom 2013-06-12 10:45:34.png"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1189850/+attachment/3701389/+files/Bildschirmfoto%20vom%202013-06-12%2010%3A45%3A34.png
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I remembered another path that reads from a source CPU pixmap that made
a few presumptions about coherency, so please also test with 15b92c9.
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Titl
Any chance you can capture a screenshot of it? Or failing that a
photograph, and it would be very useful to know if it is not capturable.
If you can reproduce it again, you can try FORCE_FULL_SYNC again, that
would identify whether it is the same issue.
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hum, that patch improved things (I don't get the issue on the new tab
preview grib when it was consistent before) but I just ran into a
similar issue on a merge request url...
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This bug was fixed in the package xserver-xorg-video-intel -
2:2.21.9-0ubuntu2
---
xserver-xorg-video-intel (2:2.21.9-0ubuntu2) saucy; urgency=low
* sna-make-sure-the-source-is-coherent.diff: Fix corruptions on firefox
(LP: #1189850)
-- Timo AaltonenTue, 11 Jun 2013 20:10:3
** Branch linked: lp:ubuntu/saucy-proposed/xserver-xorg-video-intel
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Title:
saucy has frequent image corruption (intel, sna)
To manage notificat
Thanks Chris, I've tried your git commit [1] and it fixes the issue for
me
[1] http://cgit.freedesktop.org/xorg/driver/xf86-video-
intel/commit/?id=7d91051c50210560dbd93a9e36f30d9f74ce9133
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => High
** Changed in: xserver-xo
** Bug watch added: freedesktop.org Bugzilla #61628
https://bugs.freedesktop.org/show_bug.cgi?id=61628
** Also affects: xserver-xorg-video-intel via
https://bugs.freedesktop.org/show_bug.cgi?id=61628
Importance: Unknown
Status: Unknown
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My guess is that there is a path with a missing sync point, like this
one:
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 69a151c..be73e27 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -4861,6 +4861,13 @@ sna_copy_boxes(DrawablePtr src, DrawablePtr dst, GCPtr
gc,
The corruption you see in the new tab panel happens when that image is
generated and stored to disk. It's debugging the corruption as it occurs
is the trick.
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I can trigger the bug quite easy in saucy (open a tab in firefox do it
almost every time), let me know if I can help testing/providing debug
informations
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It's the read-read optimisation that was re-enabled. Not sure where the
root cause is as reproducing it reliably and quickly is tricky.
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Title:
s
i.e. not even sure if it is not a kernel bug.
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Title:
saucy has frequent image corruption (intel, sna)
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It doesn't seem to be happening if I use uxa in xorg.conf
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saucy has frequent image corruption (intel, sna)
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